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18 10 26 16 45

CISD/3-21G for rCH

Histogram of Bond length differences (in Å) vs number of species


Differences greater than 5.500 are in the 5.500 bin. Differences less than -0.500 are in the -0.500 bin.

histogram chart 250
histogram chart 200 histogram chart
histogram chart 150 histogram chart
histogram chart 100 histogram chart
histogram chart 50 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart
-0.500 0.000 0.500 1.000 1.500 2.000 2.500 3.000 3.500 4.000 4.500 5.000 5.500
bond length difference calc. - exp. (Å)

  Species Name Difference (Å)
Most negative difference C3H8O2 1,3-Propanediol-0.049
Most positive difference C4H6 1-Methylcyclopropene3.113

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H8O2 1,3-Propanediol 1.140 -0.049
C6H6 Fulvene 1.130 -0.047
C5H8O Methyl cyclopropyl ketone 1.126 -0.038
C2H2O2 Ethanedial 1.132 -0.037
CHBr3 bromoform 1.110 -0.029
C2HF3 Trifluoroethylene 1.100 -0.028
C3H6S3 1,3,5-Trithiane 1.114 -0.027
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.027
C4H6O2 2,3-Butanedione 1.114 -0.027
C5H6 Propellane 1.106 -0.025
C3H7NO dimethylformamide 1.112 -0.024
HCONHCH3 N-methylformamide 1.114 -0.024
C7H12 Norbornane 1.113 -0.022
CH3CH2CH2CH3 Butane 1.117 -0.022
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.021
Si(CH3)4 tetramethylsilane 1.115 -0.021
C4H8O2 Ethyl acetate 1.105 -0.019
CH3OCl methyl hypochlorite 1.111 -0.019
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.019
C12H8 biphenylene 1.096 -0.018
C5H8 Ethenylcyclopropane 1.099 -0.017
CH2N2 diazirine 1.090 -0.016
CH2CHOH ethenol 1.097 -0.016
C3H2N2 Malononitrile 1.109 -0.015
C2H8N2 Ethylenediamine 1.109 -0.015
C5H8 1,4-Pentadiene 1.110 -0.015
CH3CH2CHO Propanal 1.115 -0.015
CH3SH Methanethiol 1.104 -0.014
CH3CH2NH2 Ethylamine 1.107 -0.013
CH3ONO Methyl nitrite 1.102 -0.013
CH3CHO Acetaldehyde 1.114 -0.013
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.012
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.012
C4H8O2 1,3-Dioxane 1.095 -0.012
CH3CH2CHO Propanal 1.103 -0.012
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.012
CHF2Cl difluorochloromethane 1.090 -0.011
CH3CN Acetonitrile 1.104 -0.011
C5H8 Cyclobutane, methylene- 1.101 -0.011
CHF3 Methane, trifluoro- 1.091 -0.011
CH2CHCHO Acrolein 1.113 -0.011
HFCO formyl fluoride 1.095 -0.010
HCOOH Formic acid 1.097 -0.009
CH2O2 Dioxirane 1.090 -0.009
CH2NH Methanimine 1.103 -0.009
CH3CH2CHO Propanal 1.105 -0.009
C5H8 Bicyclo[2.1.0]pentane 1.085 -0.008
C3H6O 2-Propen-1-ol 1.092 -0.008
CHFClBr fluorochlorobromomethane 1.088 -0.008
C4H6O Furan, 2,5-dihydro- 1.100 -0.008
C6H5CH3 toluene 1.100 -0.007
C6H6 Benzvalene 1.078 -0.007
CH3SSCH3 Disulfide, dimethyl 1.097 -0.007
CH2FCl fluorochloromethane 1.090 -0.007
C4H6S Thiophene, 2,5-dihydro- 1.095 -0.006
CH2CHF Ethene, fluoro- 1.087 -0.006
C6H10 cyclohexene 1.090 -0.006
C3H6O 2-Propen-1-ol 1.091 -0.006
CH2CS Thioketene 1.090 -0.006
CH2PH Phosphaethene 1.090 -0.006
HOCH2COOH Hydroxyacetic acid 1.097 -0.005
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 -0.005
C2H4F2 1,2-difluoroethane 1.094 -0.005
C2H3Br vinyl bromide 1.088 -0.005
CH2BrF Methane, bromofluoro- 1.090 -0.005
C3H3NO Oxazole 1.075 -0.005
CH2PH Phosphaethene 1.090 -0.005
CH3OH Methyl alcohol 1.096 -0.005
CH2NOH formaldoxime 1.086 -0.005
CH(CN)3 tricyanomethane 1.100 -0.005
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.005
CH3NO nitrosomethane 1.094 -0.005
CH3ONO Methyl nitrite 1.090 -0.005
C6H10 cyclohexene 1.100 -0.005
C2H6O2S Dimethyl sulfone 1.091 -0.005
C3H3NO Oxazole 1.075 -0.004
CH3CH2CHO Propanal 1.096 -0.004
C4H4N2 Pyrazine 1.083 -0.004
CH3NHCH3 Dimethylamine 1.098 -0.004
CH3CHClCH3 Propane, 2-chloro- 1.091 -0.004
C6H6 Benzvalene 1.082 -0.004
C3H6O 2-Propen-1-ol 1.102 -0.004
C10H8 Azulene 1.081 -0.004
C3H3NO Oxazole 1.073 -0.004
C3H4 cyclopropene 1.088 -0.004
C10H8 Azulene 1.080 -0.004
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 -0.003
CH2Cl2 Methylene chloride 1.085 -0.003
CH2CHCHO Acrolein 1.089 -0.003
C5H4O2 4-Cyclopentene-1,3-dione 1.093 -0.003
CH2CO Ketene 1.083 -0.003
CH3Cl Methyl chloride 1.090 -0.003
C4H6S Thiophene, 2,5-dihydro- 1.085 -0.003
CH3OC2H5 Ethane, methoxy- 1.100 -0.003
C2H5N Aziridine 1.083 -0.003
C6H5F Fluorobenzene 1.083 -0.003
CH3NC methyl isocyanide 1.094 -0.003
C2H5F fluoroethane 1.095 -0.003
CH2CHCH2CH3 1-Butene 1.095 -0.003
C10H8 Azulene 1.084 -0.003
CH2CHCH2CH3 1-Butene 1.090 -0.003
C6H5CN phenyl cyanide 1.082 -0.003
C6H5F Fluorobenzene 1.081 -0.002
CH3OC2H5 Ethane, methoxy- 1.099 -0.002
C6H6 Fulvene 1.080 -0.002
C4H8 cyclobutane 1.093 -0.002
CH2CCH2 allene 1.087 -0.002
C4H8 cyclobutane 1.091 -0.002
CH3SeCH3 dimethylselenide 1.093 -0.002
CH3CHFCH3 2-Fluoropropane 1.094 -0.002
C2H4S Thiirane 1.083 -0.002
CH3CHS Thioacetaldehyde 1.089 -0.002
C6H5CH3 toluene 1.083 -0.002
C2H2ClF 1-chloro-1-fluoroethylene 1.082 -0.002
CH3CHFCH3 2-Fluoropropane 1.093 -0.002
CH3SCH3 Dimethyl sulfide 1.091 -0.002
C2H4O Ethylene oxide 1.084 -0.002
C3H4 cyclopropene 1.072 -0.001
CH3CCH propyne 1.096 -0.001
C6H6 Benzvalene 1.078 -0.001
CH2NOH formaldoxime 1.085 -0.001
H2CS Thioformaldehyde 1.087 -0.001
CH2CHOH ethenol 1.086 -0.001
CH3OC2H5 Ethane, methoxy- 1.092 -0.001
CH2CHF Ethene, fluoro- 1.082 -0.001
CH2CHCHO Acrolein 1.084 -0.001
C6H5Cl chlorobenzene 1.082 -0.001
CH3OCH3 Dimethyl ether 1.099 -0.001
C4H5N Pyrrole 1.076 -0.001
C5H8O Cyclopentanone 1.095 -0.001
CH3CHS Thioacetaldehyde 1.098 -0.001
CH3NO nitrosomethane 1.092 -0.001
C3H8 Propane 1.096 -0.001
C2H5N Aziridine 1.084 -0.000
C6H5CN phenyl cyanide 1.080 -0.000
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 -0.000
C6H5Cl chlorobenzene 1.081 -0.000
C6H6 Fulvene 1.078 -0.000
CH3NO2 Methane, nitro- 1.088 -0.000
CH2 Methylene 1.085 -0.000
C6H5CH3 toluene 1.081 -0.000
C2H3Br vinyl bromide 1.080 0.000
CH3CHFCH3 2-Fluoropropane 1.092 0.000
C6H5F Fluorobenzene 1.080 0.000
HCN Hydrogen cyanide 1.064 0.000
C6H5Cl chlorobenzene 1.079 0.000
C6H5CN phenyl cyanide 1.080 0.000
HCS+ Thioformyl cation 1.079 0.000
HCCCN Cyanoacetylene 1.062 0.000
C3H6O 2-Propen-1-ol 1.096 0.000
CH3CHS Thioacetaldehyde 1.090 0.001
C3H8 Propane 1.094 0.001
CH2CHCHO Acrolein 1.081 0.001
CH2NN diazomethane 1.075 0.001
C2H5Br Ethyl bromide 1.087 0.001
C6H10O cyclohexanone 1.088 0.001
C4H4Se selenophene 1.079 0.001
C2H3 vinyl 1.080 0.001
C10H8 Azulene 1.081 0.002
C6H5CH3 toluene 1.081 0.002
CH2CHOH ethenol 1.079 0.002
C10H8 Azulene 1.083 0.002
C2H5F fluoroethane 1.091 0.002
C2H5F fluoroethane 1.090 0.002
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 0.002
CH3CCH propyne 1.060 0.003
C2H2+ acetylene cation 1.077 0.003
CH3CHClCH3 Propane, 2-chloro- 1.092 0.003
CH3OC2H5 Ethane, methoxy- 1.086 0.003
CH3OC2H5 Ethane, methoxy- 1.089 0.003
C2H5Br Ethyl bromide 1.093 0.003
CH3CHFCH3 2-Fluoropropane 1.088 0.003
C6H5CCH phenylacetylene 1.055 0.004
HCP Phosphaethyne 1.067 0.004
CH2F2 Methane, difluoro- 1.084 0.004
CH2CHF Ethene, fluoro- 1.077 0.004
C2H6 Ethane 1.091 0.004
CH3CHO Acetaldehyde 1.086 0.005
HCCl Chloromethylene 1.119 0.005
C3H6O 2-Propen-1-ol 1.078 0.005
CH3CH2SH ethanethiol 1.091 0.005
CH2Br2 dibromomethane 1.079 0.005
C2H3Br vinyl bromide 1.080 0.005
CH3I methyl iodide 1.084 0.005
C2H5CN ethyl cyanide 1.087 0.005
CH3OCH3 Dimethyl ether 1.085 0.005
CH3NHCH3 Dimethylamine 1.098 0.005
CH3 Methyl radical 1.079 0.005
C8H8 cyclooctatetraene 1.079 0.005
C3H8 Propane 1.089 0.005
CH3OCl methyl hypochlorite 1.086 0.005
C4H4Se selenophene 1.070 0.006
C2H5CN ethyl cyanide 1.088 0.006
SiH2(CH3)2 dimethylsilane 1.089 0.006
CH3Br methyl bromide 1.082 0.006
CH2NH Methanimine 1.081 0.006
CH3F Methyl fluoride 1.087 0.007
HCCBr bromoacetylene 1.055 0.007
HCCF Fluoroacetylene 1.053 0.007
HCCCl Chloroacetylene 1.055 0.007
C2H3 vinyl 1.085 0.007
C6H5Br bromobenzene 1.072 0.007
CH3CH2O Ethoxy radical 1.086 0.008
CH3CH2O Ethoxy radical 1.085 0.008
CH4 Methane 1.087 0.008
CHONH2 formamide 1.090 0.009
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.009
CH3NHCH3 Dimethylamine 1.084 0.009
CH3CH2O Ethoxy radical 1.088 0.009
CH3NH2 methyl amine 1.093 0.010
CH2NCH3 N-methylmethanimine 1.089 0.010
GeH3CH3 methyl germane 1.083 0.012
C2H Ethynyl radical 1.047 0.017
C3H5 Allyl radical 1.069 0.019
CH2I2 Diiodomethane 1.066 0.020
CH Methylidyne 1.120 0.026
HCNO fulminic acid 1.027 0.032
HCO Formyl radical 1.080 0.039
C4H10O Methyl propyl ether 1.099 0.352
C3H3NO Isoxazole 1.075 0.367
C4H6 1-Methylcyclopropene 1.070 0.470
C4H6 1-Methylcyclopropene 1.098 0.671
C4H6 1-Methylcyclopropene 1.098 0.681
C4H6 1-Methylcyclopropene 1.087 0.743
C4H6 1-Methylcyclopropene 1.087 2.368
C4H6 1-Methylcyclopropene 1.085 3.113